/*
 * Copyright (C) 2014 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 */

#ifndef WebServiceWorkerNetworkProvider_h
#define WebServiceWorkerNetworkProvider_h

namespace blink {

class WebDataSource;
class WebURLRequest;

// This interface is implemented by the client and is only called on the main thread.
// Used by ServiceWorker and SharedWorker. isControlledByServiceWorker() and
// serviceWorkerID() are to be implemented only by SharedWorker's provider,
// as they are needed only for controllee workers.
class WebServiceWorkerNetworkProvider {
public:
    virtual ~WebServiceWorkerNetworkProvider() { }

    // A request is about to be sent out, and the client may modify it. Request
    // is writable, and changes to the URL, for example, will change the request
    // made.
    virtual void willSendRequest(WebDataSource*, WebURLRequest&) { }

    // Whether the document associated with WebDataSource is controlled by the
    // ServiceWorker.
    virtual bool isControlledByServiceWorker(WebDataSource&) { return false; }

    // Returns an identifier of the service worker controlling the document
    // associated with the WebDataSource.
    virtual int64_t serviceWorkerID(WebDataSource&) { return -1; }
};

} // namespace blink

#endif // WebServiceWorkerNetworkProvider_h
